When Iranian President Ahmadinejad ascended the podium to speak on the rule of law at the UN today, Israeli UN envoy Ron Prosor rose from his seat and walked out while the U.S. envoys remained, according to Fox News. Update: Raw video from the UN confirms that U.S. representatives attended the entire speech.

Ahmadinejad alluded to what he sees as Israel’s illegitimate nuclear arsenal, and criticized members who haven’t stopped Israel from acquiring it: “Some members of the Security Council with veto rights have chosen silence with regard to the nuclear warheads of a fake regime, while at the same time [impeding]…the scientific progress of other nations.